/*
 * Copyright 1999-2021 Alibaba Group Holding Ltd.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.aliyun.odps.mma.sql;

public interface Subst {
  /**
   * @return starting char index in input sql
   */
  int start();

  /**
   * @return ending char index in input sql
   */
  int end();

  /**
   * replace input sql into a correct one according to issue suggestions
   * @param sql input sql
   * @return corrected sql
   */
  String subst(String sql);
}
